<nb-card class="search-friend">
  <nb-card-header>
    <span>加好友</span>
    <nb-icon [icon]="'close'" class="close" (click)="closeModal()"></nb-icon>
  </nb-card-header>

  <nb-card-body>
    <input type="email" nbInput placeholder="输入用户邮箱" fullWidth [(ngModel)]="inputValue">
  </nb-card-body>

  <nb-card-footer>
    <div class="footer-btn">
      <button nbButton status="primary" size="small" (click)="submit()">查找</button>
      <button nbButton status="basic" size="small" (click)="closeModal()">取消</button>
    </div>
  </nb-card-footer>
</nb-card>